The Collaborative International Dictionary
Lazulite \Laz"u*lite\, n. [From lazuli : cf. F. lazulite, G. lazulith.] (Min.) A mineral of a light indigo-blue color, occurring in small masses, or in monoclinic crystals; blue spar. It is a hydrous phosphate of alumina and magnesia.
Wiktionary
n. (context mineralogy English) A semi-precious gemstone that is a basic phosphate of magnesium, iron and aluminium
Wikipedia
Lazulite ((Mg,Fe)Al(PO)(OH)) is a blue, phosphate mineral containing magnesium, iron, and aluminium phosphate. Lazulite forms one endmember of a solid solution series with the darker iron rich scorzalite.
Lazulite crystallizes in the monoclinic system. Crystal habits include steep bipyramidal or wedge-shaped crystals. Lazulite has a Mohs hardness of 5.5 to 6 and a specific gravity of 3.0 to 3.1. It is infusible and insoluble.
Usage examples of "lazulite".
Spilling blood gathered from the ritual wounds of the priests, Druzla emptied a lazulite bowl onto the fractured floor of the cavern.